An egyptian pyramid would have 5 (one at the top, and each corner of the base)

]]>http://www.mathisfunforum.com/profile.php?id=22005-04-25T10:43:27Zhttp://www.mathisfunforum.com/viewtopic.php?pid=3395#p3395i'm having trouble proving what a vertice is. can you give me a correct definition?]]>http://www.mathisfunforum.com/profile.php?id=2422005-04-25T10:36:20Zhttp://www.mathisfunforum.com/viewtopic.php?pid=3387#p3387